Patents by Inventor Egidio Biffi

Egidio Biffi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Flying object
    Patent number: 4047323
    Abstract: A toy comprising, in combination, a flying object, connected through a cable, to a device handle for rotating said object; the handle incorporates an automatic cable unwinding and rewinding device actuated by centrifugal forces.
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: September 13, 1977
    Inventor: Egidio Biffi